Tub seat



FIG. 1 is a perspective view of a tub seat showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof; and,

FIG. 4 is a right end view thereof.

The broken lines shown in FIGS. 1 and 2 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a tub seat, as shown and described. 